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Clicker #1

Clicker #1. Which is lower in potential energy and more stable? unburned match or burned match A) unburned match B) burned match. Example #1. Is the freezing of water an endothermic or exothermic process? (The system is underlined.) Exothermic. Clicker #2.

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Clicker #1

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  1. Clicker #1 Which is lower in potential energy and more stable? unburned match or burned match A) unburned match B) burned match

  2. Example #1 Is the freezing of water an endothermic or exothermic process? (The system is underlined.) Exothermic

  3. Clicker #2 Is the boiling of water an endothermic or exothermic process? (The system is underlined.) A) endothermic B) exothermic

  4. Example #2 Is an activated cold pack an endothermic or exothermic process? (The system is underlined.) Endothermic

  5. Clicker #3 Is an activated hot pack an endothermic or exothermic process? (The system is underlined.) A) endothermic B) exothermic

  6. Clicker #4 Is a racquetball frozen by liquid nitrogen an endothermic or exothermic process? (The system is underlined.) A) endothermic B) exothermic

  7. Example #3 Is the thermite reaction (the chemical reaction) an endothermic or exothermic process? (The system is underlined.) Exothermic

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